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Source or process Print side and paper orientation
Manual feeder (duplex printing) Preprinted letterhead design is placed facedown. The top edge of the sheet with the
logo should enter the manual feeder last.
Note: Check with the manufacturer or vendor to determine whether the chosen preprinted letterhead is acceptable for
laser printers.
Tips on using transparencies
Print samples on the transparencies being considered for use before buying large quantities.
When printing on transparencies:
• Feed transparencies from the standard 250‑sheet tray or the multipurpose feeder.
• Use transparencies designed specifically for laser printers. Check with the manufacturer or vendor to ensure
transparencies are able to withstand temperatures up to 175°C (350°F) without melting, discoloring, offsetting, or
releasing hazardous emissions.
Note: Transparencies can be printed at a temperature up to 180°C (356°F) if Transparency Weight is set to
Heavy and Transparency Texture is set to Rough. Select these settings using the Embedded Web Server, or from
the printer control panel Paper menu.
• To prevent print quality problems, avoid getting fingerprints on the transparencies.
• Before loading transparencies, fan the stack to prevent sheets from sticking together.
• We recommend Lexmark part number 70X7240 for letter‑size transparencies and Lexmark part number 12A5010
for A4‑size transparencies.
Tips on using envelopes
Print samples on the envelopes being considered for use before buying large quantities.
When printing on envelopes:
• Use envelopes designed specifically for laser printers. Check with the manufacturer or vendor to ensure the
envelopes can withstand temperatures up to 210°C (410°F) without sealing, wrinkling, curling excessively, or
releasing hazardous emissions.
• For the best performance, use envelopes made from 90 g/m
2
(24 lb bond) paper. Use up to 105 g/m
2
(28 lb bond)
weight for envelopes as long as the cotton content is 25% or less. All‑cotton envelopes must not exceed 90 g/m
2
(24 lb bond) weight.
• Use only new envelopes.
• To optimize performance and minimize jams, do not use envelopes that:
– Have excessive curl or twist
– Are stuck together or damaged in any way
Printing
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